下列关于电解水的叙述中错误的是  (       )   A.为增强水的

下列关于电解水的叙述中错误的是        

  A.为增强水的导电性,常在水中加入一定量的稀硫酸或氢氧化钠溶液

    B.在水电解器中加满水,然后接通直流电源

    C.电解水的实验证明水是由氢、氧两种元素组成的

    D与电源正极相连的玻璃管内得到的气体能在空气中燃烧

答案

D

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